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Zhang Qingbing, why is Qimen no longer published?
No publishing rights. Official website, a national intellectual property right, shows that the publication of Zhang Qingbing's Qimen series needs the approval of relevant departments, and Zhang Qingbing's Qimen series was not published in 2023. The original author of The Three Classic of Daoism is Zhen Xuan Zidaochang, a famous mathematician and geomancer in the late Qing Dynasty. He adopted the one-line secret biography of Wei Qing School, which was awarded by Zhong Zhenyun to Mr. Zhang Qingbing, the collator and interpreter of the book.